Keep a guest community logo on review and on the published rule.

Sign-in was clearing the staged file before it uploaded, and review only read the server URL, so a chosen logo disappeared after the upload step.

tests/components/ReviewPage.test.tsx

@@ -1,4 +1,4 @@
-import { beforeEach, describe, it, expect } from "vitest";
+import { beforeEach, describe, it, expect, vi } from "vitest";
 import React, { useEffect } from "react";
 import {
   renderWithProviders as render,
@@ -9,6 +9,13 @@ import "@testing-library/jest-dom/vitest";
 import { CommunityReviewScreen } from "../../app/(app)/create/screens/review/CommunityReviewScreen";
 import { useCreateFlow } from "../../app/(app)/create/context/CreateFlowContext";
 import { testRouter } from "../mocks/navigation";
+import { readPendingCommunityAvatarFile } from "../../lib/create/pendingCommunityAvatarUpload";
+
+vi.mock("../../lib/create/pendingCommunityAvatarUpload", () => ({
+  readPendingCommunityAvatarFile: vi.fn().mockResolvedValue(null),
+  storePendingCommunityAvatarFile: vi.fn(),
+  clearPendingCommunityAvatarFile: vi.fn(),
+}));
 
 function ReviewWithTitle({ title }: { title: string }) {
   const { state, updateState } = useCreateFlow();
@@ -43,6 +50,8 @@ describe("CommunityReviewScreen", () => {
   beforeEach(() => {
     testRouter.replace.mockReset();
     testRouter.push.mockReset();
+    vi.mocked(readPendingCommunityAvatarFile).mockReset();
+    vi.mocked(readPendingCommunityAvatarFile).mockResolvedValue(null);
   });
 
   it("renders without crashing", () => {
@@ -89,6 +98,33 @@ describe("CommunityReviewScreen", () => {
     expect(screen.getByText("Garden Club")).toBeInTheDocument();
   });
 
+  it("shows a guest logo staged in the browser on the rule card", async () => {
+    const pending = new File([new Uint8Array([1, 2, 3])], "logo.png", {
+      type: "image/png",
+    });
+    vi.mocked(readPendingCommunityAvatarFile).mockResolvedValue(pending);
+    Object.defineProperty(URL, "createObjectURL", {
+      value: vi.fn(() => "blob:pending-avatar"),
+      writable: true,
+      configurable: true,
+    });
+    Object.defineProperty(URL, "revokeObjectURL", {
+      value: vi.fn(),
+      writable: true,
+      configurable: true,
+    });
+
+    render(<ReviewWithTitle title="Garden Club" />);
+
+    await waitFor(() => {
+      expect(screen.getByRole("img", { name: "Garden Club" })).toHaveAttribute(
+        "src",
+        "blob:pending-avatar",
+      );
+    });
+    expect(readPendingCommunityAvatarFile).toHaveBeenCalled();
+  });
+
   it("omits the Rule description when the user has not entered community context", () => {
     render(<ReviewWithTitle title="Garden Club" />);
     expect(